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https://issues.apache.org/jira/browse/AVRO-1006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203274#comment-13203274
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Thiruvalluvan M. G. commented on AVRO-1006:
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bq. Can you provide an example?
A three string array can be encoded in Avro binary as:
{{<1><string1><1><string2><1><string3><0>}} or
{{<3><string1><string2><string3><0>}}
So, when you and encode the fields of a record as an array, the binary version
of the schema can have more than one valid representations which are equivalent
but not not equal. The fingerprints could thus be different.
> Fingerprints for Avro Schemas
> -----------------------------
>
> Key: AVRO-1006
> URL: https://issues.apache.org/jira/browse/AVRO-1006
> Project: Avro
> Issue Type: New Feature
> Components: java
> Reporter: Raymie Stata
> Assignee: Raymie Stata
> Labels: features
> Attachments: schema-fingerprinting.html, schema-fingerprinting.html,
> schema-fingerprinting.html
>
>
> Add function that returns a standardized, 64-bit fingerprint for schemas.
> Fingerprints are designed such that the chances of collisions is very, very
> low.
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